The film is light sensitive and if it wasn't in a light proof cassette then the film would be surrounded by light so the picture that it takes would be ruined.
Light rays coming in are called incident light rays.
The light rays that bounce back are called reflected light rays.
Rays of Light was created in 1999.
Refraction of light rays occurs when light passes through a medium with a different optical density, such as glass, causing the light rays to change direction. This bending of light rays is due to the change in speed of light as it moves from one medium to another.
No, x-rays are not visible light.
Light "rays" are both waves and particles, that is the nature of light. Thus Gamma Rays is the name for a type of light that is in essence just the same as visible light, radio waves, heat and X rays.
I assume by light rays, you mean visible light rays. In this case, gamma rays have shorter wave lengths.
light rays
The material through which light travels can affect the speed and direction of the light rays. This is due to properties such as the density and composition of the material, which can cause refraction, reflection, absorption, or scattering of the light rays.
Visible light is made of rays. There are rays with wavelengths that are shorter than visible light and other with longer wavelength.
Electromagnetic energy is a kinetic energy that is the same as light energy. It manifests in such forms as visible light rays, or in invisible rays such as gamma rays.
Reflected rays are equal to the angle of incoming rays.